Missing Authorization in Keycloak - CVE-2022-1245
Published: May 4, 2022 / Updated: June 29, 2026
Vulnerability identifier: #VU62795
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-1245
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to an error in the token exchange feature of keycloak. A client application holding a valid access token can exchange tokens for
any target client by passing the client_id of the target. A remote user can bypass authorization process and escalate privileges within the application.
Affected software
Keycloak
Red Hat Single Sign-On
rh-sso7-keycloak (Red Hat package)
Red Hat Single Sign-On
rh-sso7-keycloak (Red Hat package)
How to mitigate CVE-2022-1245
Install updates from vendor's website.
Keycloak - update to 18.0.0
rh-sso7-keycloak (Red Hat package) - addressed in versions 15.0.6-1.redhat_00002.1.el7sso, 15.0.6-1.redhat_00002.1.el8sso
rh-sso7-keycloak (Red Hat package) - addressed in versions 15.0.6-1.redhat_00002.1.el7sso, 15.0.6-1.redhat_00002.1.el8sso